Can you show the call to @time / @elapsed so we know exactly what's being timed?
-- John On Jan 29, 2014, at 9:28 AM, Rajn <rjngrj2...@gmail.com> wrote: > Now it takes even longer i.e., ~1 minute > > Does this make sense. Also I am running this loop only once. I do not > understand why writing in the function form would help. I read the manual but > they suggest writing function form for something which is used many times. > I=runave(S,A,f) > showim(I); > > function runave(S,A,f) > imsz=size(A); > p1=f+1; > for n=(f+1):(imsz[2]-f-1) > for m=(f+1):(imsz[1]-f) > S[m,n+1]=S[m,n]+sum(sum(A[m-f:m+f,n+p1],2))-sum(sum(A[m-f:m+f,n-f],2)); > end > end > S; > end > > Do I have to declare function parameters to speed it up.
